LG 41472 Service Manual ▷ View online
48
Function
2. Water level sensor
1) Structure of water level sensor
2) Operation mechanism of Steam generator
After supplying some amount of water through inlet valve and water level
sensor, Heater operates and steam generates. Generated steam is sprayed by
nozzle. If the water in the steam generator is reduced by spraying steam, water
level sensor decide to supply water or not.
sensor, Heater operates and steam generates. Generated steam is sprayed by
nozzle. If the water in the steam generator is reduced by spraying steam, water
level sensor decide to supply water or not.
3) Operation method of Steam generator
The Steam Generator Assembly is supplied as an assembly only; parts like the
water level sensor, thermistor, or heater cannot be replaced individually.
Diagnosis is limited to determining malfunction and replacing as an assembly.
The steam generator does not have to be removed from the machine to be
drained. Be sure to let the water cool to avoid a burn. Have a hose available to
slip onto the connector or a large towel to catch the water so it doesn’t run
down into the machine cabinet. If you remove the steam generator before
draining it, be sure to avoid tipping it and spilling the water.
water level sensor, thermistor, or heater cannot be replaced individually.
Diagnosis is limited to determining malfunction and replacing as an assembly.
The steam generator does not have to be removed from the machine to be
drained. Be sure to let the water cool to avoid a burn. Have a hose available to
slip onto the connector or a large towel to catch the water so it doesn’t run
down into the machine cabinet. If you remove the steam generator before
draining it, be sure to avoid tipping it and spilling the water.
2) Function of Water level sensor
It determines the water level in the steam generator and keeps it full protect the
heating element.
heating element.
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10. DISASSEMBLY INSTRUCTIONS
CONTROL PANEL ASSEMBLY
1
Unscrew 2 screws on the back of the top plate.
Be sure to unplug the machine before disassembling and repairing the parts.
2
Pull the top plate backward and upward as shown.
4
Pull out the drawer and unscrew 2 screws.
5
Remove one screw.
8
Disassemble the Display PWB Assembly.
6
Lift the side the control panel assembly and
pull it out
7
Unscrew the 9 screws(M4), 1 screw(M3) from
the control panel assembly.
3
Disconnect the Display PWB assembly connector
from trans cable.
50
MAIN PWB ASSEMBLY
1
Disconnect the POWER connector and SENSOR
SWITCH ASSEMBLY.
2
Remove the Protective cover.
3
Disconnect the connectors.
4
Unscrew 1 screw on the back.
5
Remove the Main PWB.
Wire Color
Blue Housing (YL-BK)
White Housing (BK-WH)
Blue Housing (BK-GY)
Red Housing (BK-Blue)
51
DISPENSER ASSEMBLY
NOISE FILTER
1
Disassemble the top plate assembly.
2
Pull out the drawer.
1
Disassemble two (or three) connectors from
the NOISE FILTER.
2
Unscrew a screw from the TOP BRACKET.
4
Unscrew the Clamp nut at the lower part of the
dispenser.
5
Disassemble the 4 connectors from the valves.
6
Unscrew 2 screws from the back of the cabinet.
3
Push out the DISPENSER ASSEMBLY after
unscrewing 2 screws.
1
2
3
4
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